201200349 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種拉鏈及拉鏈之製造方法，特別係關於 一種具有經實施消光加工的鏈齒之拉鏈及拉鍵之製造方 法0 【先前技術】 作為先前之鏈齒之消光加工，已知有對於成形鏈齒排之 别之單絲實施毛刷研磨而削切單絲之表面，藉此於其表面 形成微細之凹凸之方法。 【發明内容】 發明所欲解決之問題 先則之消光加工之毛刷研磨係用於將混練有著色料之單 絲（以下稱為原液著色單絲）之表面削切之，以於其表面形 成微細之凹凸。這是因為即使削下原液著色單絲之表面， 出現於表面之著色仍會維持。然而，混練著色料此舉需要 增力:原材料費、且需實施複數色著色料之在庫管理，故有 使製把成本增加之問題。因&，為解決該問題，業界曾嘗 4過將未I練著色料之單絲（以下稱為普通單絲，參照圖 1圖12)進竹毛刷研磨後再染色，但形成於普通單絲之 ^之可由木料著色之表面層會被削掉，因此會產生無法 獲知均$色之問題（參照圖13、圖14)。 I此處，、纟面層係指藉由壓出成形之單絲冷卻時，表面側 心、、、令"P而形成’且構造粗链可由染料著色之層。另，表 θ 〇由於冷卻緩慢’因此成為構造緻密不易由染料 151517.doc 201200349 著色之層。 本發明係鑒於上述問題而—+ ^ ^ 、「』碭而凡成者，其目的在於提供一種 可實施鏈齒排之染色及消朵兩土 月九兩者，且可降低拉鏈之製造成 本的拉鍵及拉鏈之製造方法。 解決問題之技術手段 本發明之上述目的係利用下述之構成而達成。 ⑴一種拉鏈’其特徵為包含：一對鏈布；—對鍵齒 排其刀别。又置於-對鏈布之對向之鍵布侧緣部，且具有 複數個鍵齒；及滑件’其係使-對鍵齒排喷合、分離； 且’鏈齒排係由合成樹脂製之單絲構成；單絲具有可由染 料於其表面著色之表面層，於兮 、 於6亥表面層之表面形成具有多 數凹部之粗面。 (2) 如⑴之拉鏈’其中粗面係藉由噴砂加工而形成。 (3) 如⑴或(2)之拉鏈，其中粗面之平均表面粗糙度為 〇. 1 μιη〜6.0 μιη 〇 (4) 如（1)〜(3)中任一者之拉鍵， & 鸩再T早絲之合成樹脂材 料為聚g旨或尼龍。 (5) -種拉鏈之製造方法，其特徵為，該拉鏈包含：一 對鍵布；-對鏈齒排，其分別設置於—對鏈布之對向之鍵 布側緣部’且具有複數個鏈齒；及滑件，其係使一對鏈齒 排嚙合、分離；鏈齒排係由合成樹 w辦彻表之皁絲所構成； 且，該拉鏈之製造方法包括：將單 00 仿肘早，、乐揸出成形之步驟；對 早絲之表面施行喷砂加工，而於單絲之表面形成具有多數 凹部之粗面的步驟；將單絲成形成為鍵齒排之步驟；及將 151517.doc 201200349 鏈齒排染色之步驟。 發明之效果 根據本發明之拉鏈，由於單絲之表面層之表面形成有具 夕數凹部之粗面，因此無須削掉表面層即可進行單絲之消 光。藉此，可實施鏈齒排之染色及消光兩者。又，由於可 使用低成本之普通單絲，因此可降低拉鏈之製造成本。再 者，由於可進行鏈齒排之染色，因此可容易地展開各色之 消光之鏈齒排，亦可對應小批量之製品， 根據本發明之拉鏈之製造方法，由於具有將單絲壓出成 形之步驟、對單絲之表面施行喷砂加工而於單絲之表面形 成具多數之凹部之粗面的步驟、將單絲成形為鏈齒排之步 驟、及將鏈齒排染色之步驟，因此，可容易地獲得具有經 實施染色及消光兩者之鏈齒排的拉鏈。 【實施方式】 以下，茲基於圖式詳細說明本發明之拉鏈及拉鏈之製造 方法之一實施形態。另，在之後之說明中，關於鏈布，表 側係相對圖1之紙面之近側，裏側係相對圖1之紙面之裏 側’上側係相對圖1之紙面之上側，下側係相對圖1之紙面 之下側’左側係相對圖1之紙面之左側，右側係相對圖i之 紙面之右側；關於滑件，上側係相對圖i之紙面之近側， 下側係相對圖1之紙面之裏側，前側係相對圖1之紙面之上 側’後側係相對圖1之紙面之下側，左側係相對圖1之紙面 之左側’右側係相對圖1之紙面之右側。又，鏈布及滑件 之左右方向亦稱為寬度方向。又，鏈布之上下方向亦稱為 151517.doc 201200349 長度方向。 如圖1及圖2所示，本實施形態之拉鏈1〇具備：左右一對 鏈布20 ;左右一對鏈齒排3〇，其係分別設置於左右一對鏈 布20之對向之鏈布侧緣部2〇a，且具有複數個鏈齒3ι ;滑 件40，其係使左右一對鏈齒排30嚙合、分離；下止擋部 11，其係設置於左右一對鏈齒排3〇之下端部；及左右一對 上止擋部12，其係設置於左右一對鏈齒排3〇之上端部各 者。又’代替下止擔部U，亦可設置包含插銷、筒銷、及 開尾筒之開離嵌插具。 如圖2及圖3所示，鏈齒排3〇係藉由以一定方向捲繞後迆 之合成樹脂製之單絲50而形成之線圈狀的鏈齒排，且具有 複數個鏈齒31。且，鏈齒排30其内部插通有芯帶32，且係 利用二重環縫製之縫線33縫合於鏈布2〇之鏈布側緣部 之上面。另，鏈齒排30亦可為將合成樹脂製之單絲5〇形成 鋸齒狀之鏈齒排。又，作為單絲5〇之合成樹脂材料，可舉 出聚酯及尼龍等。 鏈齒31具備：與相對之鏈齒31嚙合、分離之嚙合頭部 31a ;從嚙合頭部31a之上端部.向寬度方向外側延伸之上腳 部3lb;從嚙合頭部31a之下端部向寬度方向外側延伸之下 腳部31C ;及將上腳部3lb之寬度方向外端部與相鄰之鍵齒 31之下腳部31c之寬度方向外端部連結之連結部3 id。 滑件40係附自動停止功能之滑件，#拉動拉片41朝上方 (由下止擋部11離開之方向）移動滑件4〇時，處於分離狀態 之左右一對鏈齒排30會相互嚙合；當朝下方（接近下止擋 J51517.doc • 6 - 201200349 部11之方向）移動時，處於嚙合狀態之左右一對鏈齒排3〇 會分離。 且，本實施形態中，藉由對形成於單絲5〇之表面之可由 染料著色之表面層51施加喷砂加工，而於表面層51之表面 形成有具多數之凹部之粗面52。因此，如圖2〜圖7所示， 由該單絲50成形之鏈齒排3〇之表面，跨整面而形成有具多 數凹部之粗面52。又，具多數凹部之粗面52係因喷砂加工 時噴射於表面層51之表面之噴砂材的衝撞而形成，且由喷 石y材之衝撞所致之無數個微細的打痕所構成。另，圖2及 圖3中之無數個點係表示具有多數之凹部之粗面。又， 可著色是指染料進入表面層51。 又，粗面52之平均表面粗糙度係設定為〇」叫〜6 〇 μηι ’較佳為〇.3 μηι〜3.〇 μιη。又，為將平均表面粗糙度設 為0.1 μηι〜6.0 μπι，係於喷砂加工使用粒徑為2〇卩m〜2〇〇 μηι之喷砂材（例如不銹鋼製、氧化鋁製、鐵製等）。 此處，如觀察圖4可瞭解，表面層51係以覆蓋單絲兄之 表面的方式形成，其厚度有10 pm〜3 〇 。且，如圖5放大 所示，藉由使噴砂材衝撞於表面層5丨，可不削掉表面層 51，而是使表面層51朝其厚度方向凹成凹狀，且亦使鏈齒 本體53凹成凹狀。該表面層51之存在可藉由以染料著色單 絲50之表面而更明確地辨識。圖6及圖7係顯示以染料著色 之表面層51之狀態之剖面照片。根據圖6可知經著色之 表面層51係跨單絲50之表面之全周以特定之厚度存在。 又，根據圖7可知，表面層51係沿著形成於鏈齒本體”之 1515I7.doc 201200349 微細之凹凸而以凹凸狀形成。 另’平均表面粗糙度之測定所使用之測定機係如下述。 •股份公司東京精密（ACCRETECH)製，粒輪度儀 (SURFCOM)130A •截取值：0.25 mm •評估長度：1.25 mm •測定速度：0.3 mm/s 如以上說明，根據本實施形態之拉鏈10，由於單絲5〇之 表面層51之表面形成有具多數凹部之粗面52，因此，無須 削掉表面層5 1即可進行單絲50之消光。藉此，可進行鍵齒 排3 0之染色及消光兩者。又，由於係使用低成本之普通單 絲50，因此可降低拉鏈1〇之製造成本。再者，由於可進行 鏈齒排30之染色，因此可容易地展開各色之消光之鏈齒排 3 0 ’亦可對應小批量之製品。 其次’說明本發明之拉鏈之製造方法。 本實施形態之拉鏈1〇之製造方法，如圖8所示，具有： 將單絲50壓出成形之步驟（步驟S1);對單絲5〇之表面施行 喷砂加工，而於單絲5〇之表面形成具多數凹部之粗面Μ的 步驟（步驟S2);將單絲5〇成形成為鏈齒排3〇之步驟（步驟 S3);及將鏈齒排3〇染色之步驟（步驟S4)。另.，在步驟“之 鏈齒成形步驟與步驟S4之染色步驟之間，有鏈齒排3〇安裝 於鏈布20。鏈齒排30與鏈布2〇係供給至縫紉機，縫紉機係 以縫線33將鏈齒排30縫合於鏈布2〇之鏈布側緣部2〇a之上 面。 151517.doc 201200349 又，在上述步驟S2之粗面化步驟中，如圖9所示，於上 述步驟S1之壓出成形步驟後的單絲50之表面，從喷砂裝置 之喷嘴61、61喷射喷砂材62，而於單絲5〇之表面層51之表 面形成粗面5 2。 又’在上述步驟S3之鏈齒成形步驟中，如圖1〇所示，首 先’將上述步驟S 2之粗面化步驟後之單絲5 〇以線圈狀捲繞 於鏈齒成形裝置之心軸71，且將捲繞於心軸71之單絲5〇保 持於對向之螺桿72之螺溝間並進行搬送。其次，利用壓親 73打擊在心軸71上搬送之線圈狀單絲50之成為嚙合頭部 31a的部位，藉此而形成膨大狀之嚙合頭部3U，而完成鍵 齒排3 0。 在上述步驟S4之染色步驟中，將安裝於鏈布2〇之鏈齒排 30配置於染色用之容器内’於該容器内注入染色液，並使 鏈齒排30及鏈布20浸潰於染色液中。此時，將染色液加熱 至特定溫度（10〇t〜150。〇。藉此，使染料滲入並固著於 鏈齒排30之單絲5〇之表面層51。 如以上說明，根據本實施形態之拉鏈1〇之製造方法，由 於具有將單絲50壓出成形之步驟31、對單絲5〇之表面施行 喷砂加工而於單絲5〇之表面形成具有多數凹部之粗面52的 步驟S2、將單絲50成形為鏈齒排3〇之步驟S3、及將鏈齒排 30染色之步驟S4，因此，可容易地獲得具有經實施染色及 消光兩者之鏈齒排3〇之拉鏈1〇。 【圖式簡單說明】 圖1係說明本發明拉鏈之一實施形態之表面圖； 151517.doc 201200349 圖2係說明圖1所示之一側之键齒排的周邊之剖面圖. 圖3係圖2所示之鍵齒排之立體圖； 圖4係圖2之A-A線剖面圖； 圖5係圖4之B部之放大剖面圖； 圖6係圖4之剖面之照片； 圖7係圖6之C部之放大照片； 圖8係說明本發明拉鏈之製造方法之流程圖； 圖9係說明對於單絲之表面施加喷砂加1，於單絲之表 面形成具多數之凹部之粗面的步驟之說明圖； 圖10係說明將單絲成形成為鏈齒排之步驟之說明圖； 圖Π係顯示經染色之狀態之普通單絲之剖面照片； 圖12係圖11之D部之放大照片； 圖13係顯示於表面實施毛刷研磨而染色之狀態的普通單 絲之剖面照片；及 圖14係圖13之E部之放大照片。 【主要元件符號說明】 10 拉鏈 20 鍵布 20a 鏈布側緣部 30 鍵齒排 31 鍵齒 40 滑件 50 單絲 51 表面層 151517.doc 201200349 52 51 52 53 54 粗面 壓出成形步驟 粗面化步驟 鏈齒成形步驟 染色步驟 151517.doc201200349 VI. Description of the Invention: [Technical Field] The present invention relates to a method for manufacturing a zipper and a zipper, and more particularly to a method for manufacturing a zipper and a pull fastener having a sprocket which has been subjected to matting processing. [Prior Art] As the matte processing of the conventional sprocket, there is known a method in which the surface of the monofilament is subjected to brush polishing for the other filaments of the formed fastener element row, thereby forming fine irregularities on the surface thereof. SUMMARY OF THE INVENTION Problems to be Solved by the Invention In the prior art, the brush polishing of the matte processing is used to cut the surface of a monofilament (hereinafter referred to as a raw liquid colored monofilament) which is kneaded with a coloring material to form a surface thereof. Fine bumps. This is because even if the surface of the raw liquid colored monofilament is cut off, the coloring that appears on the surface is maintained. However, the practice of kneading the coloring matter requires an increase in the cost of raw materials, and the management of the complex coloring materials in the library, so that the cost of the manufacturing is increased. In order to solve this problem, the industry has tasted that the monofilament (hereinafter referred to as ordinary monofilament, refer to Fig. 1 and Fig. 12) which has not been dyed is polished and then dyed, but formed in ordinary The surface layer of the monofilament which can be colored by the wood is scraped off, so that there is a problem that the color of the color cannot be known (refer to Figs. 13 and 14). I. Here, the kneading layer refers to a layer which is formed by pressing the formed monofilament, and which is formed by "P, and the structure of the thick chain can be colored by the dye. In addition, the table θ 〇 is a layer which is densely colored and is not easily colored by the dye 151517.doc 201200349 because of the slow cooling. The present invention is based on the above-mentioned problems - + ^ ^ , " 』 砀 砀 , , , , , , , , + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + BACKGROUND OF THE INVENTION The above object of the present invention is achieved by the following constitution: (1) A zipper 'characterized to include: a pair of chain fabrics; - a pair of key teeth. Further, it is placed on the side edge portion of the opposite side of the pair of chain cloths, and has a plurality of key teeth; and the sliding member 'these is used to spray-separate and separate the key tooth rows; and the 'sprocket line is made of synthetic resin The monofilament is composed of a monofilament having a surface layer which can be colored on the surface of the dye, and a rough surface having a plurality of concave portions formed on the surface of the surface layer of the hexagram on the surface of the surface layer of (6) (1) a zipper of (1) It is formed by sandblasting. (3) The zipper of (1) or (2), wherein the average surface roughness of the rough surface is 〇. 1 μιη~6.0 μιη 〇(4) as in any one of (1) to (3) The pull key, &; T T early silk synthetic resin material is poly g or nylon. (5) - kind of pull The manufacturing method is characterized in that: the zipper comprises: a pair of key cloths; - a pair of sprocket rows, which are respectively disposed on a side edge portion of the opposite side of the chain cloth and having a plurality of sprocket teeth; And the pair of fastener elements are engaged and separated; the fastener element is composed of the soap of the synthetic tree; and the manufacturing method of the zipper comprises: the single 00 imitation elbow early, and the music a step of forming; a step of sandblasting the surface of the early filament, and forming a rough surface having a plurality of recesses on the surface of the monofilament; a step of forming the monofilament into a row of key rows; and a step of 151517.doc 201200349 The step of dyeing according to the invention. According to the zipper of the present invention, since the surface of the surface layer of the monofilament is formed with the rough surface of the concave portion of the imaginary number, the extinction of the monofilament can be performed without cutting off the surface layer. Both the dyeing and the extinction of the element row are performed. Moreover, since the low-cost ordinary monofilament can be used, the manufacturing cost of the zipper can be reduced. Furthermore, since the dyeing of the element rows can be performed, the colors can be easily developed. Matte chain tooth row, also According to the method for manufacturing a zipper according to the present invention, the method for producing a zipper of the present invention has a step of extruding a monofilament, and performing a blasting process on the surface of the monofilament to form a rough surface having a plurality of concave portions on the surface of the monofilament. The step of forming the monofilament into the element rows and the step of dyeing the element rows, and therefore, the zipper having the element rows of both dyeing and extinction can be easily obtained. An embodiment of the zipper and the zipper manufacturing method of the present invention will be described in detail based on the drawings. In the following description, regarding the chain cloth, the front side is adjacent to the paper side of FIG. 1, and the back side is opposite to the paper surface of FIG. The upper side is opposite to the upper side of the paper surface of FIG. 1, and the lower side is opposite to the lower side of the paper surface of FIG. 1 on the left side. The left side is opposite to the left side of the paper surface of FIG. 1 , and the right side is opposite to the right side of the paper surface of FIG. On the near side of the paper surface of Fig. 1, the lower side is opposite to the inner side of the paper surface of Fig. 1, and the front side is opposite to the upper side of the paper surface of Fig. 1 with respect to the lower side of the paper surface of Fig. 1, and the left side is opposite to the paper surface of Fig. 1. Side 'of the right side of the drawing lines on the right side of FIG. 1 opposite. Further, the left and right directions of the chain cloth and the slider are also referred to as the width direction. Also, the upper and lower directions of the chain cloth are also referred to as 151517.doc 201200349 length direction. As shown in Fig. 1 and Fig. 2, the slide fastener 1 of the present embodiment includes a pair of right and left chain cloths 20, and a pair of left and right chain tooth rows 3, which are respectively disposed in opposite chains of the pair of right and left chain cloths 20 The cloth side edge portion 2〇a has a plurality of sprocket teeth 3ι; the slider 40 is configured to engage and disengage the pair of left and right sprocket rows 30; and the lower stop portion 11 is disposed on the left and right pair of sprocket rows 3 〇 lower end; and a pair of left and right upper stoppers 12, which are disposed at the upper ends of the pair of left and right sprocket rows 3〇. Further, instead of the lower end portion U, an opening and inserting insert including a pin, a pin, and a tail cylinder may be provided. As shown in Fig. 2 and Fig. 3, the element row 3 is a coil-shaped element row formed by winding a synthetic resin monofilament 50 in a predetermined direction, and has a plurality of fastener elements 31. Further, the element row 30 is internally inserted with the core tape 32, and is sewn to the upper side of the side edge portion of the chain fabric by the double-loop-sewn stitch 33. Further, the element row 30 may be a chain of teeth in which a monofilament of a synthetic resin is formed into a zigzag shape. Further, examples of the synthetic resin material of the monofilament 5 are polyester, nylon, and the like. The sprocket 31 is provided with an engaging head portion 31a that is engaged with and separated from the opposing sprocket 31, and extends from the upper end portion of the engaging head portion 31a to the outer side in the width direction, and the upper leg portion 31b; from the lower end portion of the engaging head portion 31a to the width The leg portion 31C extending outward in the direction; and a connecting portion 3 id that connects the outer end portion in the width direction of the upper leg portion 31b and the outer end portion in the width direction of the lower leg portion 31c of the adjacent key piece 31. The slider 40 is attached to the slider of the automatic stop function, and when the slider 34 is moved upward (in the direction in which the lower stopper 11 is separated), the pair of left and right chain rows 30 are separated from each other. Engagement; when moving downward (near the lower stop J51517.doc • 6 - 201200349 section 11), the pair of left and right chain rows 3〇 in the engaged state will be separated. Further, in the present embodiment, the surface of the surface layer 51 is formed with a rough surface 52 having a plurality of concave portions by applying a sandblasting treatment to the surface layer 51 colored by the dye formed on the surface of the monofilament 5?. Therefore, as shown in Figs. 2 to 7, the surface of the element row 3 which is formed by the monofilament 50 is formed with a rough surface 52 having a plurality of concave portions across the entire surface. Further, the rough surface 52 having a plurality of concave portions is formed by the collision of the sand blasting material sprayed on the surface of the surface layer 51 during the blast processing, and is composed of numerous fine marks caused by the collision of the yt stone material. In addition, the numerous points in Figs. 2 and 3 indicate the rough faces of the plurality of recesses. Also, colorable means that the dye enters the surface layer 51. Further, the average surface roughness of the rough surface 52 is set to 〇"6 〇 μηι", preferably 〇.3 μηι~3.〇 μιη. Further, in order to set the average surface roughness to 0.1 μηι to 6.0 μπι, a sandblasting material having a particle diameter of 2 μm to 2 μm μm (for example, stainless steel, alumina, iron, etc.) is used for sandblasting. ). Here, as can be seen by observing Fig. 4, the surface layer 51 is formed to cover the surface of the monofilament brother, and has a thickness of 10 pm to 3 Å. Further, as shown in an enlarged view in Fig. 5, by causing the blast material to collide with the surface layer 5, the surface layer 51 can be not cut off, but the surface layer 51 is concavely concave in the thickness direction thereof, and the sprocket body 53 is also made. Concave concave. The presence of the surface layer 51 can be more clearly recognized by coloring the surface of the monofilament 50 with a dye. Fig. 6 and Fig. 7 are cross-sectional photographs showing the state of the surface layer 51 colored with a dye. According to Fig. 6, it can be seen that the colored surface layer 51 is present in a specific thickness across the entire circumference of the surface of the monofilament 50. Further, as is clear from Fig. 7, the surface layer 51 is formed in a concavo-convex shape along the irregularities of 1515I7.doc 201200349 formed on the sprocket body. The measurement machine used for the measurement of the average surface roughness is as follows. • Joint-stock company Tokyo Precision (ACCRETECH), granulating wheel (SURFCOM) 130A • Intercept value: 0.25 mm • Evaluation length: 1.25 mm • Measurement speed: 0.3 mm/s As described above, the zipper 10 according to the present embodiment, Since the surface of the surface layer 51 of the monofilament 5 is formed with a rough surface 52 having a plurality of concave portions, the extinction of the monofilament 50 can be performed without cutting the surface layer 51. Thereby, the key row 30 can be performed. Both the dyeing and the extinction are used. Further, since the low-cost ordinary monofilament 50 is used, the manufacturing cost of the zipper 1 can be reduced. Further, since the dyeing of the element rows 30 can be performed, the extinction of each color can be easily performed. The fastener element row 3 0 ' can also correspond to a small batch of products. Next, a method of manufacturing the slide fastener of the present invention will be described. The method for manufacturing the slide fastener 1 of the present embodiment, as shown in Fig. 8, has: pressing the monofilament 50 Forming step (Step S1); performing a sandblasting process on the surface of the monofilament 5〇, and forming a rough dough having a plurality of concave portions on the surface of the monofilament 5〇 (step S2); forming the monofilament 5〇 into a chain row Step 3 (step S3); and step of dyeing the element row 3〇 (step S4). In addition, between the step of the element forming step and the step of step S4, there is a chain of teeth 3〇 Installed on the chain cloth 20. The element row 30 and the chain cloth 2 are supplied to the sewing machine, and the sewing machine sutures the element row 30 with the stitch 33 on the side edge portion 2〇a of the chain cloth 2〇. 151517.doc 201200349 Further, in the roughening step of the above step S2, as shown in FIG. 9, the surface of the monofilament 50 after the extrusion forming step of the above step S1 is ejected from the nozzles 61, 61 of the blasting apparatus. The blast material 62 is formed on the surface of the surface layer 51 of the monofilament 5 to form a rough surface 52. Further, in the sprocket forming step of the above step S3, as shown in FIG. 1A, first, the monofilament 5 后 after the roughening step of the above step S 2 is wound in a coil shape in the center of the element forming device. The shaft 71 holds the monofilament 5 turns wound around the mandrel 71 between the screw grooves of the opposing screw 72 and conveys it. Then, the pressing member 73 strikes the portion of the coil-shaped monofilament 50 conveyed on the mandrel 71 to be engaged with the head portion 31a, thereby forming the inflated engaging head portion 3U, and completing the key row 30. In the dyeing step of the above step S4, the element row 30 attached to the chain fabric 2 is placed in a container for dyeing, and the dyeing liquid is injected into the container, and the element row 30 and the chain cloth 20 are immersed in the container. In the staining solution. At this time, the dyeing liquid is heated to a specific temperature (10 〇t to 150 〇. Thereby, the dye is infiltrated and fixed to the surface layer 51 of the monofilament 5 of the element row 30. As explained above, according to the present embodiment, In the manufacturing method of the zipper of the form, the step 31 of extruding the monofilament 50 is performed, and the surface of the monofilament 5 is subjected to sandblasting to form a rough surface 52 having a plurality of concave portions on the surface of the monofilament 5〇. Step S2, step S3 of forming the monofilament 50 into the element row 3, and step S4 of dyeing the element row 30, so that the element row 3 having the dyeing and extinction can be easily obtained. Figure 1 is a surface view showing an embodiment of the zipper of the present invention; 151517.doc 201200349 Figure 2 is a cross-sectional view showing the periphery of the key row of one side shown in Figure 1. Figure 3 is a perspective view of the key row shown in Figure 2; Figure 4 is a cross-sectional view taken along line AA of Figure 2; Figure 5 is an enlarged cross-sectional view of the portion B of Figure 4; Figure 6 is a photograph of the section of Figure 4; Figure 7 FIG. 8 is a flow chart showing a method of manufacturing the zipper of the present invention; FIG. 9 is a flow chart for explaining a method of manufacturing the zipper of the present invention; An explanatory view of a step of applying sandblasting to the surface of the monofilament to form a rough surface having a plurality of concave portions on the surface of the monofilament; FIG. 10 is an explanatory view showing a step of forming the monofilament into a chain row; A photograph showing a cross section of a plain monofilament in a dyed state; FIG. 12 is an enlarged photograph of a portion D of FIG. 11; and FIG. 13 is a cross-sectional photograph showing a plain monofilament in a state where the surface is subjected to brush grinding and dyeing; 14 is a magnified photograph of part E of Fig. 13. [Description of main components] 10 zipper 20 key cloth 20a chain side edge part 30 key row 31 key tooth 40 slider 50 monofilament 51 surface layer 151517.doc 201200349 52 51 52 53 54 rough face extrusion forming step roughening step sprocket forming step dyeing step 151517.doc